Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Robert Michael O'Callaghan, PA

Individual provider Medical Physician Assistant · NPI 1518906254

Robert Michael O'Callaghan, PA is a Medical Physician Assistant in Vandalia, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

55 Elva Ct
Vandalia, OH 45377-1875
Phone: (937) 208-7525
Fax: (937) 208-7515
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 50-00-0106 (OH)

Record details

NPI number1518906254
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESAugust 12, 2014
Mailing address55 Elva Ct, Vandalia, OH 45377-1875